<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>栅格网络系统</title>
    <link rel="stylesheet" type="text/css" href="css/bootstrap.min.css">
</head>
<body>
    <div class = "container">
        <div class="row">
            <div class="col-md-4 col-lg-4 " style="background-color: #1b6d85">你好</div>
            <div class="col-md-8" style="background-color: #8c8c8c">8</div>
        </div>
    </div>
</body>
</html>